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| author | David King <amigadave@amigadave.com> | 2015-01-28 13:59:01 +0000 |
|---|---|---|
| committer | David King <amigadave@amigadave.com> | 2015-02-05 14:57:21 +0000 |
| commit | d006927aba8dd8551fe80950da5501d140187165 (patch) | |
| tree | 95bbefd1f86a021d562181ab209f8f4d1aed9db8 /m4 | |
| parent | 675fcf507204ea36851cee18474a1bb31c397254 (diff) | |
| download | yelp-d006927aba8dd8551fe80950da5501d140187165.tar.gz | |
Use AX_REQUIRE_DEFINED to check for M4 macros
https://wiki.gnome.org/Projects/GnomeCommon/Migration
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/ax_require_defined.m4 | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/m4/ax_require_defined.m4 b/m4/ax_require_defined.m4 new file mode 100644 index 00000000..cae11112 --- /dev/null +++ b/m4/ax_require_defined.m4 @@ -0,0 +1,37 @@ +# =========================================================================== +# http://www.gnu.org/software/autoconf-archive/ax_require_defined.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_REQUIRE_DEFINED(MACRO) +# +# DESCRIPTION +# +# AX_REQUIRE_DEFINED is a simple helper for making sure other macros have +# been defined and thus are available for use. This avoids random issues +# where a macro isn't expanded. Instead the configure script emits a +# non-fatal: +# +# ./configure: line 1673: AX_CFLAGS_WARN_ALL: command not found +# +# It's like AC_REQUIRE except it doesn't expand the required macro. +# +# Here's an example: +# +# AX_REQUIRE_DEFINED([AX_CHECK_LINK_FLAG]) +# +# LICENSE +# +# Copyright (c) 2014 Mike Frysinger <vapier@gentoo.org> +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. This file is offered as-is, without any +# warranty. + +#serial 1 + +AC_DEFUN([AX_REQUIRE_DEFINED], [dnl + m4_ifndef([$1], [m4_fatal([macro ]$1[ is not defined; is a m4 file missing?])]) +])dnl AX_REQUIRE_DEFINED |